BMW DTC P2738 – Pressure Control Solenoid ‘F’ Control Circuit Low
DTC P2738 meaning on BMW
DTC P2738 indicates a fault with the Pressure Control Solenoid ‘F’ Control Circuit in a BMW vehicle. This fault is registered when the Engine Control Module (ECM) detects a low voltage condition in the circuit that controls the pressure solenoid ‘F’ in the transmission.
BMW DTC P2738 symptoms
Symptoms of DTC P2738 in a BMW may include harsh shifting, delayed engagement when shifting gears, transmission slipping, and in some cases, the transmission may go into a fail-safe or limp mode.
BMW DTC P2738 causes
The common causes of DTC P2738 in a BMW include a faulty pressure control solenoid ‘F’, damaged wiring or connectors in the control circuit, low transmission fluid level, or a malfunctioning ECM.
BMW DTC P2738 seriousness
Ignoring DTC P2738 in a BMW can lead to further damage to the transmission system and may result in costly repairs if not addressed promptly. It is recommended to diagnose and fix the issue as soon as possible.
How to diagnose DTC P2738 on BMW
To diagnose DTC P2738 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the ECM. They would then inspect the pressure control solenoid ‘F’, check the wiring and connectors for any damage, and ensure the transmission fluid level is adequate.
How to fix DTC P2738 on BMW
Fixing DTC P2738 on a BMW may involve replacing the pressure control solenoid ‘F’ if it is found to be faulty, repairing any damaged wiring or connectors in the control circuit, topping up the transmission fluid to the correct level, and clearing the fault codes from the ECM.
How to erase DTC P2738 on BMW
To erase DTC P2738 on a BMW, the fault codes can be cleared using a diagnostic scanner. Once the underlying issue has been fixed, the mechanic can reset the codes, and the warning light should no longer be illuminated.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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